Siera Robertson was crowned Miss Guam World 2011 on September 2, 2011 at the Hyatt Regency Guam in Tumon. Siera from Yoña is 21 year old and stands 1.78m. She will represent Guam in Miss World 2011 Pageant. The first runner-up was Anya Mendiola; The second runner-up was Natalia Faculo and the third runner-up was Alissa Esclavea.
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